Free Online CSV to JSON Converter - ATools

Free online CSV to JSON Converter. Runs locally in your browser with zero uploads for privacy and speed.

DelimiterFirst row as headerSkip empty lines

Click to upload or drag and drop a CSV file here to replace current content.

CSV Input

Detected delimiter: ,

JSON Output

[
  {
    "name": "Alice",
    "age": "18"
  },
  {
    "name": "Bob",
    "age": "20"
  }
]